Human Health and Performance

Human Health and Performance
Human System Risks

Risk of Adverse Cognitive or Behavioral Conditions and Psychiatric Disorders

Exposure to the isolation and confinement of spaceflight can result in decrements in cognitive and behavioral functioning.
Posted March 11, 2025
Human Health and Performance
Human System Risks

Concern of Venous Thromboembolism

Note: The Concern of Venous Thromboembolism is historical and now a component of CV Risk. Stagnant or reverse flow in the internal jugular vein has been observed in 6 of 11 crew members (55%) tested in-mission on approximately flight day 50; one crewmember was found to have an occlusive internal jugular vein thrombus requiring treatment […]
Posted March 11, 2025
Office of the Chief Health and Medical Officer (OCHMO)
Human Health and Performance
Humans in Space
The Human Body in Space

Hydrogen Sulfide (H2S) Independent Assessment

NASA’s Office of the Chief Health and Medical Officer (OCHMO) assembled a small working group to review hydrogen sulfide (H2S) Spacecraft Maximum Allowable Concentration (SMAC) values. The group met virtually three times during February and March 2023, and panel members submitted individual opinion statements in April 2023.
Posted January 17, 2025
Office of the Chief Health and Medical Officer (OCHMO)
Human Health and Performance
Humans in Space
International Space Station (ISS)

Assessment of PFO as Related to DCS in the Spaceflight Environment and During Ground Testing

In June 2024, the NASA Office of the Chief Health and Medical Officer (OCHMO) Standards Team hosted an independent assessment working group to review the status and progress of research and clinical activities intended to mitigate the risk of decompression sickness (DCS) related to patent foramen ovale (PFO) during spaceflight and associated ground
Posted December 31, 2024
Human Health and Performance

Human Adaptation to Spaceflight: The Role of Food and Nutrition

The latest book marks our third effort to review available literature regarding the role of nutrition in astronaut health.
Posted October 24, 2024
Human Health and Performance

NASA Life Sciences Portal (NLSP)

NASA Life Sciences Portal (NLSP) The NASA Life Sciences Portal (NLSP) is the gateway to discovering and accessing all archive data from investigations sponsored by NASA’s Human Research Program (HRP). The HRP conducts research and develops technologies that allow humans to travel safely and productively in space.
Posted August 30, 2024
Johnson Space Center
General
Human Health and Performance

Designing Space Exploration With the Human in Mind

When designing a new spacecraft or exploration vehicle, there is intense focus on its technical performance. Do its systems perform as expected? What kind of power does it need? Will it safely reach its destination? Equally important, however, is whether that vehicle also works for the humans inside. Can astronauts easily reach critical controls?
Posted July 23, 2024
ISS Research
General
Human Health and Performance
Humans in Space
International Space Station (ISS)
Johnson Space Center

Astronaut Exercise

Science in Space: May 2024 Future missions to the Moon and Mars must address many challenges, including preventing loss of bone and muscle tissue in astronauts. Research on the International Space Station is helping to address this challenge. Without Earth’s gravity, both bone and muscle atrophy, or become smaller and weaker.
Posted May 20, 2024
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7
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51
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1
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8
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6
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18
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7
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20
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117
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24
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12
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8
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221
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125
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316
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15
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46
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50
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132
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3
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18
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4
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3
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5
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150
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11
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4
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91
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99
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4
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11
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5
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1
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21
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3
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2
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1
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3
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24
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10
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86
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